*{
    padding: 0;
    margin: 0;
}
html, body{
    width: 100vw;
    height: 100vh;
}
.main-container{
    width: 100vw;
    height: 100vh;
    background-color: darkgrey;
    position: relative;
}
.caroucel-container{
    width: 70%;
    height: 60vh;
    background-color: blanchedalmond;
    position: absolute;
    overflow: hidden;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
}
#ul{
    width: 400%;
    height: 60vh;
    list-style-type: none;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}
#indexBox{
    list-style-type: none;
    position: absolute;
    bottom: 5px;
    left: 50%;
    z-index: 10;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
}
#ul>li{
    width: calc(100% / 4);
    height: 60vh;
    float: left;
    overflow: hidden;
}
#indexBox>li{
    width: 18px;
    height: 18px;
    float: left;
    background-color: #c5c8ce;
    border-radius: 100%;
    margin-right: 10px;
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    -ms-border-radius: 100%;
    -o-border-radius: 100%;
}
.caroucel-container img{
    width: 100%;
    height: 100%;
}
.caroucel-container div{
    position: absolute;
    z-index: 10;
    font-size: 80px;
    background-color: darkgray;
    opacity: 0.5;
    top: 50%;
    cursor: pointer;
    display: none;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
}
.caroucel-container>div:first-child{
    left: 0;
}
.caroucel-container>div:last-child{
    right: 0;
}